<span>b. the assassination of archduke francis ferdinand.
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C. Debt owed to the United Nations.
It’s a or b but Ik it’s not c !
The choices can be found elsewhere and as follows:
A. being conquered by the Mayans.
<span>B. Francisco Pizzaro's trap that helped capture and kill the Incan emperor and his men. </span>
<span>C. that the Spanish had superior weapons. </span>
<span>D. that the Spanish brought with them
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I think the correct answer is option A. All of the following aided in the decline of Incan Empire except being conquered by the Mayans. Hope this answers the question.